Fiber Optic Cellular Repeaters (FOR) ti ṣe apẹrẹ lati yanju awọn iṣoro ti ifihan cellular alailagbara ni aaye ti o jinna si BTS (Base Transceiver Station) ati pe o ni nẹtiwọọki okun opitiki okun ni ipamo.
Yanju eyikeyi awọn agbegbe lile lati de ọdọ!
Gbogbo eto FOR ni awọn ẹya meji: Ẹka Oluranlọwọ ati Ẹka Latọna jijin.Wọn gbejade ni gbangba ati mu ifihan agbara alailowaya pọ si laarin BTS (Ibusọ Transceiver Ibusọ) ati awọn alagbeka nipasẹ awọn kebulu okun opitiki.
Ẹka Oluranlọwọ n gba ifihan BTS nipasẹ olutọpa taara ti o wa ni pipade si BTS (tabi nipasẹ gbigbe RF ṣiṣi silẹ nipasẹ Antenna Donor), lẹhinna yi pada si ifihan agbara opiki ati gbe ifihan agbara ti o pọ si si Ẹka Latọna jijin nipasẹ awọn kebulu okun opitiki.Ẹka Latọna jijin yoo tun yi ifihan agbara opiki pada sinu ifihan RF ati pese ifihan si awọn agbegbe nibiti agbegbe nẹtiwọọki ko pe.Ati pe ifihan agbara alagbeka tun pọ si ati tun gbe lọ si BTS nipasẹ itọsọna idakeji.
KingtoneFiber Optic Repeaters eto ti a ṣe lati yanju isoro ti alailagbara mobile ifihan agbara, eyi ti o jẹ Elo din owo ju setup titun kan Base Station (BTS).Iṣe akọkọ ti RF Repeaters eto: Fun ọna asopọ isalẹ, awọn ifihan agbara lati BTS jẹ ifunni si Ẹka Oluranlọwọ (DOU), DOU lẹhinna yi ifihan RF pada si ifihan laser lẹhinna ifunni si okun lati tan kaakiri si Ẹka Latọna (ROU).RU lẹhinna yi ifihan agbara laser pada si ifihan agbara RF, ati lo Ampilifaya Agbara lati pọ si agbara giga si IBS tabi eriali agbegbe.Fun ọna asopọ oke, Ṣe ilana iyipada, awọn ifihan agbara lati alagbeka olumulo jẹ ifunni si ibudo MS DOU.Nipasẹ duplexer, ifihan agbara ti pọ nipasẹ ampilifaya ariwo kekere lati mu agbara ifihan dara si.Lẹhinna awọn ifihan agbara jẹ ifunni si module opitika fiber RF lẹhinna yipada si awọn ifihan agbara lesa, lẹhinna ifihan agbara lesa ti gbejade si DOU, ifihan agbara laser lati ROU yipada si ifihan RF nipasẹ transceiver opiti RF.Lẹhinna awọn ifihan agbara RF ti pọ si awọn ifihan agbara diẹ sii ti a jẹ si BTS.
Awọn ẹya ara ẹrọ
- Aluminiomu-alloy casing ni giga resistance si eruku, omi ati ibajẹ;
- Eriali agbegbe itọsọna Omni le jẹ gbigba lati faagun agbegbe diẹ sii;
- Gbigba WDM (Wavelength Division Multiplexing) module lati mọ gbigbe jijin gigun;
- Idurosinsin ati didara gbigbe ifihan agbara;
- Ẹka Oluranlọwọ kan le ṣe atilẹyin to Awọn iwọn Latọna jijin mẹrin 4 lati mu iwọn lilo okun USB pọ si;
- Awọn ebute oko oju omi RS-232 n pese awọn ọna asopọ si iwe ajako kan fun abojuto agbegbe ati si modẹmu alailowaya ti a ṣe sinu lati ṣe ibasọrọ pẹlu NMS (Eto Iṣakoso Nẹtiwọọki) ti o le ṣe abojuto ipo iṣẹ atunlo latọna jijin ati ṣe igbasilẹ awọn aye ṣiṣe si olutun-pada.
| Pro | Con |
|---|---|
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DOU + ROU Gbogbo System Technical Specification
| Awọn nkan | Ipo Idanwo | Imọ Specification | Akọsilẹ | |
| uplink | downlink | |||
| Iwọn Igbohunsafẹfẹ | Ṣiṣẹ ni-iye | 824MHz-849MHz | 869MHz-894MHz |
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| Iwọn Bandiwidi ti o pọju | Ṣiṣẹ ni-iye | 25MHz |
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| Agbara Ijade (Max.) | Ṣiṣẹ ni-iye | 37±2dBm | 43±2dBm | Adani |
| ALC (dB) | Ṣe afikun 10dB | △Po≤±2 |
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| Ere ti o pọju | Ṣiṣẹ ni-iye | 90±3dB | 90±3dB | pẹlu 6dB opitiki ipadanu ona |
| Jèrè Ibiti Atunse (dB) | Ṣiṣẹ ni-iye | ≥30 |
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Jèrè Linear Adijositabulu (dB) | 10dB | ± 1.0 |
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| 20dB | ± 1.0 |
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| 30dB | ± 1.5 |
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| Ripple ni Band (dB) | Bandiwidi ti o munadoko | ≤3 |
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| Max.input ipele | Tesiwaju 1min | -10 dBm |
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| Idaduro gbigbe (awa) | Ṣiṣẹ ni-iye | ≤5 |
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| Nọmba Ariwo (dB) | Ṣiṣẹ ni-iye | ≤5 (Max.gain) |
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| Intermodulation Attenuation | 9kHz 1GHz | ≤-36dBm/100kHz |
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| 1GHz～12.75GHz | ≤-30dBm/1MHz |
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| Ibudo VSWR | BS Port | ≤1.5 |
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| MS Port | ≤1.5 | |||
